200901141

素因数分解:

$3^4\times 7^1\times {\mathrm{354323}}^1$

素因数の和:354342

約数の個数: 20

約数和(自身を含む): 342985632

約数和(自身を除く): 142084491

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 354323, 1062969, 2480261, 3188907, 7440783, 9566721, 22322349, 28700163, 66967047, 200901141]

約数ペア:

[(1, 200901141), (3, 66967047), (7, 28700163), (9, 22322349), (21, 9566721), (27, 7440783), (63, 3188907), (81, 2480261), (189, 1062969), (567, 354323)]